| On-road measurement of vehicle tailpipe emissions using a portable instrument HC Frey, A Unal, NM Rouphail, JD Colyar Journal of the Air & Waste Management Association 53 (8), 992-1002, 2003 | 304 | 2003 |
| Introduction: Towards critical multiculturalism S May Critical multiculturalism, 9-19, 2005 | 259* | 2005 |
| Fuel use and emissions comparisons for alternative routes, time of day, road grade, and vehicles based on in-use measurements HC Frey, K Zhang, NM Rouphail Environmental science & technology 42 (7), 2483-2489, 2008 | 227 | 2008 |
| A vehicle-specific power approach to speed-and facility-specific emissions estimates for diesel transit buses H Zhai, HC Frey, NM Rouphail Environmental science & technology 42 (21), 7985-7991, 2008 | 197 | 2008 |
| Comparing real-world fuel consumption for diesel-and hydrogen-fueled transit buses and implication for emissions HC Frey, NM Rouphail, H Zhai, TL Farias, GA Gonçalves Transportation Research Part D: Transport and Environment 12 (4), 281-291, 2007 | 188 | 2007 |
| Comparative study of short-and long-term urban freeway work zones NM Rouphail, ZS Yang, J Fazio Transportation Research Record 1163, 4-14, 1988 | 141 | 1988 |
| Multimodal level of service analysis for urban streets RG Dowling, D Reinke Transportation Research Board, 2008 | 136* | 2008 |
| Assessing methods for comparing emissions from gasoline and diesel light-duty vehicles based on microscale measurements MC Coelho, HC Frey, NM Rouphail, H Zhai, L Pelkmans Transportation Research Part D: Transport and Environment 14 (2), 91-99, 2009 | 123 | 2009 |
| Estimation of delays at traffic signals for variable demand conditions R Akçelik, NM Rouphail Transportation Research Part B: Methodological 27 (2), 109-131, 1993 | 121 | 1993 |
| Effect of roundabout operations on pollutant emissions MC Coelho, TL Farias, NM Rouphail Transportation Research Part D: Transport and Environment 11 (5), 333-343, 2006 | 119 | 2006 |
| Speed-and facility-specific emission estimates for on-road light-duty vehicles on the basis of real-world speed profiles HC Frey, NM Rouphail, H Zhai Transportation Research Record 1987 (1), 128-137, 2006 | 117 | 2006 |
| Operational analysis of uninterrupted bicycle facilities DP Allen, N Rouphail, JE Hummer, JS Milazzo Transportation Research Record 1636 (1), 29-36, 1998 | 116 | 1998 |
| Effect of arterial signalization and level of service on measured vehicle emissions A Unal, NM Rouphail, HC Frey Transportation Research Record 1842 (1), 47-56, 2003 | 113 | 2003 |
| Impact of speed control traffic signals on pollutant emissions MC Coelho, TL Farias, NM Rouphail Transportation Research Part D: Transport and Environment 10 (4), 323-340, 2005 | 107 | 2005 |
| Analysis of correlation between arterial travel time and detector data from simulation and field studies VP Sisiopiku, NM Rouphail, A Santiago Transportation Research Record, 1994 | 104 | 1994 |
| Evaluation of numerical models for simulation of real-world hot-stabilized fuel consumption and emissions of gasoline light-duty vehicles CM Silva, TL Farias, HC Frey, NM Rouphail Transportation Research Part D: Transport and Environment 11 (5), 377-385, 2006 | 99 | 2006 |
| Effect of pedestrians on capacity of signalized intersections JS Milazzo, NM Rouphail, JE Hummer, DP Allen Transportation Research Record 1646 (1), 37-46, 1998 | 99 | 1998 |
| Simulation and analysis of freeway lane reversal for coastal hurricane evacuation BM Williams, AP Tagliaferri, SS Meinhold, JE Hummer, NM Rouphail Journal of urban planning and development 133 (1), 61-72, 2007 | 97 | 2007 |
| Event-based modeling of driver yielding behavior at unsignalized crosswalks BJ Schroeder, NM Rouphail Journal of transportation engineering 137 (7), 455-465, 2011 | 94 | 2011 |
| Emissions reduction through better traffic management: An empirical evaluation based upon on-road measurements HC Frey, NM Rouphail, A Unal, JD Colyar | 94 | 2001 |
H. Christopher FreyGlenn E. Futrell Distinguished University Professor of Environmental Engineering, North CarolinaEmail verificata su ncsu.edu
